CVE-2022-24834 Heap overflow issue with the Lua cjson library used by Redis

2023-07-1314:35:41

CWE-122

CWE-680

GitHub_M

github.com

cve-2022-24834

heap overflow

lua cjson

redis

remote code execution

security issue

disk persistence

authorized users

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

8.9

Confidence

High

SSVC

Exploitation

poc

Automatable

Technical Impact

total

JSON

Redis is an in-memory database that persists on disk. A specially crafted Lua script executing in Redis can trigger a heap overflow in the cjson library, and result with heap corruption and potentially remote code execution. The problem exists in all versions of Redis with Lua scripting support, starting from 2.6, and affects only authenticated and authorized users. The problem is fixed in versions 7.0.12, 6.2.13, and 6.0.20.

ADP Affected

[
  {
    "cpes": [
      "cpe:2.3:a:redis:redis:*:*:*:*:*:*:*:*"
    ],
    "vendor": "redis",
    "product": "redis",
    "versions": [
      {
        "status": "affected",
        "version": "7.0.0",
        "lessThan": "7.0.12",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "6.2.0",
        "lessThan": "6.2.13",
        "versionType": "custom"
      },
      {
        "status": "affected",
        "version": "6.0.0",
        "lessThan": "6.0.20",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  }
]